402430134317 has 2 divisors, whose sum is σ = 402430134318. Its totient is φ = 402430134316.

The previous prime is 402430134311. The next prime is 402430134341. The reversal of 402430134317 is 713431034204.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382238008516 + 20192125801 = 618254^2 + 142099^2 .

It is a cyclic number.

It is not a de Polignac number, because 402430134317 - 2²⁶ = 402363025453 is a prime.

It is a super-2 number, since 2×402430134317² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402430134311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201215067158 + 201215067159.

It is an arithmetic number, because the mean of its divisors is an integer number (201215067159).

Almost surely, 2^402430134317 is an apocalyptic number.

It is an amenable number.

402430134317 is a deficient number, since it is larger than the sum of its proper divisors (1).

402430134317 is an equidigital number, since it uses as much as digits as its factorization.

402430134317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 402430134317 in words is "four hundred two billion, four hundred thirty million, one hundred thirty-four thousand, three hundred seventeen".